Our Favorite Martians!

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What We Think Martians Look Like: Photos         Check out some of our more unusual ideas about life originating from the Red Planet. Read More WATCH VIDEO: Top Cases For Martian Life Here are 5 reasons scientists think it's possible. Was Chinese Scientist a Spy at NASA?         A contractor may have had access to high-level imaging technology with potential military uses. Read More WATCH VIDEO: Top 5 NASA Videos Check out our favorite out-of-this world space agency video moments. Genes, Not Light, Make Roosters Crow at Dawn         Roosters have an internal clock that makes them crow just before dawn, researchers find. Read More WATCH VIDEO: Death Metal Rooster Explained How can a rooster screech, and so loudly, for almost 30 seconds? Top 7 Most Painful Conditions         A member of the Motley Crue recently reported his kidney stone was excruciating … but does it top the list? Read More WATCH VIDEO: How Grapefruit Can Kill You If you love grapefruit and are on certain medications, think twice! Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2010 Discovery Communications, LLC